Stains and Dyes

A variety of solutions used to selectively bind to and enhance the visibility of biological structures using color and/or fluorescence; used for histology, protein staining, electrophoresis, bacterial classification, blotting, etc.

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1,801 – 1,815 of 7,125 results

1,801

Naphthol Green B Dye, 2.5% w/v, Reagents

Naphthol Green B Dye, 2.5% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,802

Phenolphthalein, 0.25% w/v in 95% Ethanol, Reagents

CAS: 64-17-5 Molecular Formula: C2H6O Molecular Weight (g/mol): 46.07 InChI Key: LFQSCWFLJHTTHZ-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: ethanol SMILES: CCO

Pricing & Availability
Specifications

CAS	64-17-5
Molecular Weight (g/mol)	46.07
SMILES	CCO
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	ethanol
InChI Key	LFQSCWFLJHTTHZ-UHFFFAOYSA-N
Molecular Formula	C2H6O

1,803

Phenolphthalein, 3% in 95% Ethanol, Reagents

CAS: 64-17-5 Molecular Formula: C2H6O Molecular Weight (g/mol): 46.07 InChI Key: LFQSCWFLJHTTHZ-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: ethanol SMILES: CCO

Pricing & Availability
Specifications

CAS	64-17-5
Molecular Weight (g/mol)	46.07
SMILES	CCO
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	ethanol
InChI Key	LFQSCWFLJHTTHZ-UHFFFAOYSA-N
Molecular Formula	C2H6O

1,804

Phenolsulfonphthalein, 0.021% w/v (Phenol Red Indicator), Reagents

Phenolsulfonphthalein, 0.021% w/v (Phenol Red Indicator), Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

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1,805

Starch Indicator, 0.5% w/v, Reagents

Starch Indicator, 0.5% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.5%
CAS	69-72-7
Color	White
Physical Form	Liquid
Chemical Name or Material	Starch Indicator, 0.5% w/v
Grade	Reagent
Specific Gravity	1.0021

1,806

Sodium Chromate Indicator, Reagents

Sodium Chromate Indicator, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

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1,807

Methylene Blue Solution [Methylene Blue Reagent, APHA], Reagents

Methylene Blue Solution [Methylene Blue Reagent, APHA], Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
CAS	7757-82-6
Color	Blue
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Methylene Blue Solution [Methylene Blue Reagent, APHA]
Grade	Reagent
Synonym	3,7-Bis(dimethylamino)phenothiazin-5-ium chloride Trihydrate, Basic Blue 9 Trihydrate, Color Index 52015
Specific Gravity	1.0372

1,808

Phenolphthalein, 2% w/v in Denatured Ethanol, Reagents

CAS: 64-17-5 Molecular Formula: C2H6O Molecular Weight (g/mol): 46.07 InChI Key: LFQSCWFLJHTTHZ-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: ethanol SMILES: CCO

Pricing & Availability
Specifications

CAS	64-17-5
Molecular Weight (g/mol)	46.07
SMILES	CCO
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	ethanol
InChI Key	LFQSCWFLJHTTHZ-UHFFFAOYSA-N
Molecular Formula	C2H6O

1,809

Phenolphthalein Indicator for FFA, Reagents

Phenolphthalein Indicator for FFA, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

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1,810

Gentian Violet, 1% Alcoholic, Certified, LabChem™

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1,811

Methylene Blue, 1% Aqueous, Certified, LabChem™

CAS: 61-73-4 Molecular Formula: C16H18ClN3S Molecular Weight (g/mol): 319.851 InChI Key: CXKWCBBOMKCUKX-UHFFFAOYSA-M PubChem CID: 6099 ChEBI: CHEBI:6872 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]

Pricing & Availability
Specifications

PubChem CID	6099
CAS	61-73-4
Molecular Weight (g/mol)	319.851
ChEBI	CHEBI:6872
SMILES	CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
IUPAC Name	[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride
InChI Key	CXKWCBBOMKCUKX-UHFFFAOYSA-M
Molecular Formula	C16H18ClN3S

1,812

Phenol Red Sodium Salt, ACS Grade, LabChem™

CAS: 34487-61-1 Molecular Formula: C19H13NaO5S Molecular Weight (g/mol): 376.358 InChI Key: HKHYOKBQJILTEI-UHFFFAOYSA-M PubChem CID: 23686673 IUPAC Name: sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23686673
CAS	34487-61-1
Molecular Weight (g/mol)	376.358
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]
IUPAC Name	sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate
InChI Key	HKHYOKBQJILTEI-UHFFFAOYSA-M
Molecular Formula	C19H13NaO5S

1,813

Eriochrome™ Blue-Black R, Reagent Grade, LabChem™

CAS: 2538-85-4 Molecular Formula: C20H13N2NaO5S Molecular Weight (g/mol): 416.383 InChI Key: YJUGDMOGPJJWDG-UHFFFAOYSA-M PubChem CID: 23702480 IUPAC Name: sodium;4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-3-oxonaphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C=CC(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)[O-])O.[Na+]

Pricing & Availability
Specifications

PubChem CID	23702480
CAS	2538-85-4
Molecular Weight (g/mol)	416.383
SMILES	C1=CC=C2C(=C1)C=CC(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)[O-])O.[Na+]
IUPAC Name	sodium;4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-3-oxonaphthalene-1-sulfonate
InChI Key	YJUGDMOGPJJWDG-UHFFFAOYSA-M
Molecular Formula	C20H13N2NaO5S

1,814

Hydroxynaphthol Blue, Dry in NaCl, Calcium and Hardness Indicator, ACS Grade, LabChem™

CAS: 7647-14-5 Molecular Formula: ClNa Molecular Weight (g/mol): 58.44 MDL Number: MFCD00003477 InChI Key: FAPWRFPIFSIZLT-UHFFFAOYSA-M PubChem CID: 5234 ChEBI: CHEBI:26710 IUPAC Name: sodium chloride SMILES: [Na+].[Cl-]

Pricing & Availability
Specifications

PubChem CID	5234
CAS	7647-14-5
Molecular Weight (g/mol)	58.44
ChEBI	CHEBI:26710
MDL Number	MFCD00003477
SMILES	[Na+].[Cl-]
IUPAC Name	sodium chloride
InChI Key	FAPWRFPIFSIZLT-UHFFFAOYSA-M
Molecular Formula	ClNa

1,815

Indigo Stock Solution, For Ozone, Certified, LabChem™

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Stains and Dyes

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